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4-Port USB to RS232 DB9 Serial Adapter with Thumbscrews

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$35 USD
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4 Port Professional FTDI CHIP USB to Serial RS232 DB9 Adapter Converter Serial Cable 9-Pin Male to Male with Thumbscrews (W/Thumbscrews, 4 RS232 Port)

4-port USB-to-DB9 serial adapter for connecting up to four 9-pin devices to a USB host. Enables data sharing among multiple serial devices; easy to install on Windows systems. One customer notes mixed driver updates and labeling experiences

Highlights

  • 4-port RS232 expansion via USB
  • thumbscrews for secure connections
  • Windows compatibility mentioned

Pros

  • connects multiple 9-pin serial devices
  • four ports available from single USB connection
  • easy to install on Windows systems
  • includes thumbscrews for secure connections
  • build suitable for various peripherals

Cons

  • mixed driver update feedback
  • some labeling may be incomplete
  • one report of a dead port

Best For

  • GPS device connections
  • hand-held scanner setups
  • POS system integration
  • modem sharing between devices
  • cellphone-to-PC serial data transfer
  • configuration of multiple RS232 peripherals

Features

  • Adds four USB-powered RS232 DB9 ports to a single computer via one USB-A connection
  • Supports simultaneous connection of multiple serial devices for data sharing
  • Compatible with a range of devices including modems, GPS, scanners, POS systems, and medical instruments
  • No external power adapter required; powered entirely through the USB connection

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